[  763.285300][T14581] netdevsim netdevsim427 eni427np1: renamed from eth0
[  763.303102][T14584] netdevsim netdevsim549 eni549np1: renamed from eth1
[  763.869978][T14569] Could not find device with ifindex 2000 in netnsfd 11
[  763.870757][T14569] Could not find netns with fd: 2000
[  763.871305][T14569] Cannot link a netdevsim to itself
[  763.871736][T14569] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).